431242424 has 16 divisors (see below), whose sum is σ = 809320200. Its totient is φ = 215423712.

The previous prime is 431242423. The next prime is 431242429. The reversal of 431242424 is 424242134.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 431242393 and 431242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431242423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15194 + ... + 33065.

Almost surely, 2^431242424 is an apocalyptic number.

It is an amenable number.

431242424 is a deficient number, since it is larger than the sum of its proper divisors (378077776).

431242424 is a wasteful number, since it uses less digits than its factorization.

431242424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49382 (or 49378 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 431242424 is about 20766.3772478495. The cubic root of 431242424 is about 755.5104797343.

Adding to 431242424 its reverse (424242134), we get a palindrome (855484558).

The spelling of 431242424 in words is "four hundred thirty-one million, two hundred forty-two thousand, four hundred twenty-four".